Try fix stupid dotenv

Author: MatKuhr

core/src/test/java/com/sap/ai/sdk/core/AiCoreServiceKeyAccessorTest.java

@@ -12,7 +12,7 @@ class AiCoreServiceKeyAccessorTest {
 
   @Test
   void testValidDotenv() {
-    var dotenv = Dotenv.configure().directory("./src/test/resources").filename("valid.testenv");
+    var dotenv = Dotenv.configure().filename("valid.testenv");
     var accessor = new AiCoreServiceKeyAccessor(dotenv);
     assertThat(accessor.getServiceBindings()).isNotEmpty().hasSize(1);
     assertThat(accessor.getServiceBindings().get(0).getCredentials())
@@ -24,8 +24,7 @@ void testValidDotenv() {
 
   @Test
   void testMissingClientIdDotenv() {
-    var dotenv =
-        Dotenv.configure().directory("src/test/resources").filename("missingClientId.testenv");
+    var dotenv = Dotenv.configure().filename("missingClientId.testenv");
     var accessor = new AiCoreServiceKeyAccessor(dotenv);
     assertThatThrownBy(accessor::getServiceBindings)
         .isInstanceOf(ServiceBindingAccessException.class)
@@ -42,7 +41,7 @@ void testMissingDotenv() {
 
   @Test
   void testMalformedDotenv() {
-    var dotenv = Dotenv.configure().directory("src/test/resources").filename("malformed.testenv");
+    var dotenv = Dotenv.configure().filename("malformed.testenv");
 
     // Dotenv should be loaded lazily and not throw before actually loading the file
     var accessor = new AiCoreServiceKeyAccessor(dotenv);